1. Bernstein, N. (1967). The co-ordination and regulation of movements. New York: Pergamon Press.
2. Brooks, I. (2001). Fitting experimental data with Mathematica. Retrieved December 4, 2001, from
3. Edelman, G. M., & Gally, J. (2001). Degeneracy and complexity in biological systems. Proceedings of the National Academy of Sciences of the United States of America, 98, 13763-13768.
4. Haken, H. (1996). Movements on a pedalo. In H. Haken (Ed.), Principles of brain functioning (pp. 173-191). Berlin: Springer-Verlag.
5. Ivry, R. (1996). Representational issues in motor learning: Phenomena and theory. In H. Heuer & S. W. Keele (Eds.), Handbook of perception and action: Vol. 2. Motor skills (pp. 263-330). London: Academic Press.